Downgrade php php4 jobs

i have installed a new script and i get this error Fatal error: The fil...[login to view URL] was encoded by the ionCube Encoder for PHP 5.6 and cannot run under PHP 7.1 or later. Please ask the provider of the script to provide a version encoded with the ionCube Encoder for PHP 7.1. in Unknown on line 0 i need to downgrade to 5.6 php

...disk) Restore snapshot (from qcow2 disk) Install Linux OS from list of provided images via scripts Show VNC streamed via NoVNC ([login to view URL]) Upgrade / Downgrade plan and perform correct changes to libvirt and qcow2 disk Monitor resource usage via libvirt The hosts servers will be managed via a private network. The VNC stream will